3 geographical units: Gilbert Islands, Line Islands, Phoenix Islands; there are no first-order administrative divisions, but the 6 districts are Banaba, Central Gilberts, Line Islands, Northern Gilberts, Southern Gilberts, Tarawa, with 21 island councils on Abaiang, Abemama, Aranuka, Arorae, Banaba, Beru, Butaritari, Kanton, Kiritimati, Kuria, Maiana, Makin, Marakei, Nikunau, Nonouti, Onotoa, Tabiteuea, Tabuaeran, Tamana, Tarawa, Teraina